WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.

Piezo Ceramics Tube Description:

Dimensions: Φ100×Φ94×15mmMaterial : Pzt51

Hydrophone Application:

A hydrophone is an underwater listening device. Just as a microphone is used to detect sound in the air, a hydrophone detects sounds in the water and converts the acoustic energy into electrical energy. Hydrophones listen to sounds in the sea, but do not transmit any sound, making them passive listening devices.Most hydrophones are made from a piezoelectric material. This material produces small electrical charges when exposed to pressure changes. The pressure changes associated with a sound wave can be detected by a piezoelectric element. Under the pressure of a sound wave, the piezoelectric element flexes and in return gives off electrical signals. These electrical signals can be recorded and later analyzed with computer programs.

Standard Size of Piezo Tube:

Diameter: 5.0 - 100mmWall thickness: 1 - 10mmHeight: 2.5 - 50mm

PZT Material:

- PZT-4 is recommended for high power acoustic radiating transducers because of Its high resistance to depolarization and low dielectrIc losses under high electric drive. Its high resistance to depolarization under mechanical stress makes it suitable for use in deep-submersion acoustic transducers and as the active element in electrical power generating systems.

- PZT-5A is recommended for hydrophones or instrument applications because of its high resistivity at elevated temperatures, high sensitivity, and high time stability.

- PZT-5H has even higher sensitivity and permittivity than PZT-5A, and is in most other respects similar to PZT-5A. Its markedly lower Curie point, however, limits the working temperature range and leads to lower temperature stability. PZT-8 is similar to PZT-4, but has even lower dielectricand mechanical losses under high electric drive.It is recommended for applications requiringhigher power handling capability than is suitable for PZT-4.

- PZT-8 is similar to PZT-4, but has even lower dielectricand mechanical losses under high electric

drive.It is recommended for applications requiring higher power handling capability than is suitable for PZT-4.